[coreboot-gerrit] Change in coreboot[master]: mb/google/zork: add eDP tuning parameter to fix the eDP noise

[chris wang (Code Review)]

Attention is currently required from: Furquan Shaikh, Kangheui Won, Paul Menzel, Nikolai Vyssotski, chris wang, Felix Held.
Hello build bot (Jenkins), Furquan Shaikh, Kangheui Won, Nikolai Vyssotski, Chris Wang, EricR Lai,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/48734

to look at the new patch set (#10).

Change subject: mb/google/zork: add eDP tuning parameter to fix the eDP noise
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mb/google/zork: add eDP tuning parameter to fix the eDP noise

needs to adjust the eDP phy setting to fix the eDP noise for WWAN.

DP_VS_LEVEL0_PREEMPH_LEVEL0, = 0x00 (0.4v 0db) swing 0, pre-emphasis 0)
COMMON_MAR_DEEMPH_NOM = 0x004B
COMMON_SELDEEMPH60 = 0x0
CMD_BUS_GLOBAL_FOR_TX_LANE0 = 0x80

BUG=b:171269338
BRANCH=none
TEST=Build; Verify the UPD was passed to system integrated table

Signed-off-by: Chris Wang 
Change-Id: Ibe720e26d2257e05a989eaa1fd85d542005cf6a6
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M src/mainboard/google/zork/variants/vilboz/overridetree.cb
1 file changed, 10 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/34/48734/10